Limits on electron neutrino disappearance from the KARMEN and LSND v(e)-carbon cross section data

作者：Conrad J M^*; Shaevitz M H

来源：Physical Review D - Particles, Fields, Gravitation and Cosmology, 2012, 85(1): 013017.

DOI：10.1103/PhysRevD.85.013017

This paper presents a combined analysis of the KARMEN and LSND v(e)-carbon cross section measurements within the context of a search for v(e) disappearance at high Delta m(2). KARMEN and LSND were located at 17.7 m and 29.8 m, respectively, from the neutrino source, so, the consistency of the two measurements, as a function of antineutrino energy, sets strong limits on neutrino oscillations. Most of the allowed region from the v(e) disappearance analysis of the Gallium calibration data is excluded at >95% CL and the best-fit point is excluded at 3.6 sigma. Assuming CPT conservation, comparisons are also made to the oscillation analyses of reactor antineutrino data.

• 出版日期2012-1-23